/**
 * 
 */
package com.yunxi.core.util;

/**
 * <p>
 *
 * @version 1.0
 */
public class ChineseSpelling {

 private static int[] pyvalue = new int[] { -20319, -20317, -20304, -20295,
   -20292, -20283, -20265, -20257, -20242, -20230, -20051, -20036,
   -20032, -20026, -20002, -19990, -19986, -19982, -19976, -19805,
   -19784, -19775, -19774, -19763, -19756, -19751, -19746, -19741,
   -19739, -19728, -19725, -19715, -19540, -19531, -19525, -19515,
   -19500, -19484, -19479, -19467, -19289, -19288, -19281, -19275,
   -19270, -19263, -19261, -19249, -19243, -19242, -19238, -19235,
   -19227, -19224, -19218, -19212, -19038, -19023, -19018, -19006,
   -19003, -18996, -18977, -18961, -18952, -18783, -18774, -18773,
   -18763, -18756, -18741, -18735, -18731, -18722, -18710, -18697,
   -18696, -18526, -18518, -18501, -18490, -18478, -18463, -18448,
   -18447, -18446, -18239, -18237, -18231, -18220, -18211, -18201,
   -18184, -18183, -18181, -18012, -17997, -17988, -17970, -17964,
   -17961, -17950, -17947, -17931, -17928, -17922, -17759, -17752,
   -17733, -17730, -17721, -17703, -17701, -17697, -17692, -17683,
   -17676, -17496, -17487, -17482, -17468, -17454, -17433, -17427,
   -17417, -17202, -17185, -16983, -16970, -16942, -16915, -16733,
   -16708, -16706, -16689, -16664, -16657, -16647, -16474, -16470,
   -16465, -16459, -16452, -16448, -16433, -16429, -16427, -16423,
   -16419, -16412, -16407, -16403, -16401, -16393, -16220, -16216,
   -16212, -16205, -16202, -16187, -16180, -16171, -16169, -16158,
   -16155, -15959, -15958, -15944, -15933, -15920, -15915, -15903,
   -15889, -15878, -15707, -15701, -15681, -15667, -15661, -15659,
   -15652, -15640, -15631, -15625, -15454, -15448, -15436, -15435,
   -15419, -15416, -15408, -15394, -15385, -15377, -15375, -15369,
   -15363, -15362, -15183, -15180, -15165, -15158, -15153, -15150,
   -15149, -15144, -15143, -15141, -15140, -15139, -15128, -15121,
   -15119, -15117, -15110, -15109, -14941, -14937, -14933, -14930,
   -14929, -14928, -14926, -14922, -14921, -14914, -14908, -14902,
   -14894, -14889, -14882, -14873, -14871, -14857, -14678, -14674,
   -14670, -14668, -14663, -14654, -14645, -14630, -14594, -14429,
   -14407, -14399, -14384, -14379, -14368, -14355, -14353, -14345,
   -14170, -14159, -14151, -14149, -14145, -14140, -14137, -14135,
   -14125, -14123, -14122, -14112, -14109, -14099, -14097, -14094,
   -14092, -14090, -14087, -14083, -13917, -13914, -13910, -13907,
   -13906, -13905, -13896, -13894, -13878, -13870, -13859, -13847,
   -13831, -13658, -13611, -13601, -13406, -13404, -13400, -13398,
   -13395, -13391, -13387, -13383, -13367, -13359, -13356, -13343,
   -13340, -13329, -13326, -13318, -13147, -13138, -13120, -13107,
   -13096, -13095, -13091, -13076, -13068, -13063, -13060, -12888,
   -12875, -12871, -12860, -12858, -12852, -12849, -12838, -12831,
   -12829, -12812, -12802, -12607, -12597, -12594, -12585, -12556,
   -12359, -12346, -12320, -12300, -12120, -12099, -12089, -12074,
   -12067, -12058, -12039, -11867, -11861, -11847, -11831, -11798,
   -11781, -11604, -11589, -11536, -11358, -11340, -11339, -11324,
   -11303, -11097, -11077, -11067, -11055, -11052, -11045, -11041,
   -11038, -11024, -11020, -11019, -11018, -11014, -10838, -10832,
   -10815, -10800, -10790, -10780, -10764, -10587, -10544, -10533,
   -10519, -10331, -10329, -10328, -10322, -10315, -10309, -10307,
   -10296, -10281, -10274, -10270, -10262, -10260, -10256, -10254 };

 private static String[] pystr = new String[] { "a", "ai", "an", "ang",
   "ao", "ba", "bai", "ban", "bang", "bao", "bei", "ben", "beng",
   "bi", "bian", "biao", "bie", "bin", "bing", "bo", "bu", "ca",
   "cai", "can", "cang", "cao", "ce", "ceng", "cha", "chai", "chan",
   "chang", "chao", "che", "chen", "cheng", "chi", "chong", "chou",
   "chu", "chuai", "chuan", "chuang", "chui", "chun", "chuo", "ci",
   "cong", "cou", "cu", "cuan", "cui", "cun", "cuo", "da", "dai",
   "dan", "dang", "dao", "de", "deng", "di", "dian", "diao", "die",
   "ding", "diu", "dong", "dou", "du", "duan", "dui", "dun", "duo",
   "e", "en", "er", "fa", "fan", "fang", "fei", "fen", "feng", "fo",
   "fou", "fu", "ga", "gai", "gan", "gang", "gao", "ge", "gei", "gen",
   "geng", "gong", "gou", "gu", "gua", "guai", "guan", "guang", "gui",
   "gun", "guo", "ha", "hai", "han", "hang", "hao", "he", "hei",
   "hen", "heng", "hong", "hou", "hu", "hua", "huai", "huan", "huang",
   "hui", "hun", "huo", "ji", "jia", "jian", "jiang", "jiao", "jie",
   "jin", "jing", "jiong", "jiu", "ju", "juan", "jue", "jun", "ka",
   "kai", "kan", "kang", "kao", "ke", "ken", "keng", "kong", "kou",
   "ku", "kua", "kuai", "kuan", "kuang", "kui", "kun", "kuo", "la",
   "lai", "lan", "lang", "lao", "le", "lei", "leng", "li", "lia",
   "lian", "liang", "liao", "lie", "lin", "ling", "liu", "long",
   "lou", "lu", "lv", "luan", "lue", "lun", "luo", "ma", "mai", "man",
   "mang", "mao", "me", "mei", "men", "meng", "mi", "mian", "miao",
   "mie", "min", "ming", "miu", "mo", "mou", "mu", "na", "nai", "nan",
   "nang", "nao", "ne", "nei", "nen", "neng", "ni", "nian", "niang",
   "niao", "nie", "nin", "ning", "niu", "nong", "nu", "nv", "nuan",
   "nue", "nuo", "o", "ou", "pa", "pai", "pan", "pang", "pao", "pei",
   "pen", "peng", "pi", "pian", "piao", "pie", "pin", "ping", "po",
   "pu", "qi", "qia", "qian", "qiang", "qiao", "qie", "qin", "qing",
   "qiong", "qiu", "qu", "quan", "que", "qun", "ran", "rang", "rao",
   "re", "ren", "reng", "ri", "rong", "rou", "ru", "ruan", "rui",
   "run", "ruo", "sa", "sai", "san", "sang", "sao", "se", "sen",
   "seng", "sha", "shai", "shan", "shang", "shao", "she", "shen",
   "sheng", "shi", "shou", "shu", "shua", "shuai", "shuan", "shuang",
   "shui", "shun", "shuo", "si", "song", "sou", "su", "suan", "sui",
   "sun", "suo", "ta", "tai", "tan", "tang", "tao", "te", "teng",
   "ti", "tian", "tiao", "tie", "ting", "tong", "tou", "tu", "tuan",
   "tui", "tun", "tuo", "wa", "wai", "wan", "wang", "wei", "wen",
   "weng", "wo", "wu", "xi", "xia", "xian", "xiang", "xiao", "xie",
   "xin", "xing", "xiong", "xiu", "xu", "xuan", "xue", "xun", "ya",
   "yan", "yang", "yao", "ye", "yi", "yin", "ying", "yo", "yong",
   "you", "yu", "yuan", "yue", "yun", "za", "zai", "zan", "zang",
   "zao", "ze", "zei", "zen", "zeng", "zha", "zhai", "zhan", "zhang",
   "zhao", "zhe", "zhen", "zheng", "zhi", "zhong", "zhou", "zhu",
   "zhua", "zhuai", "zhuan", "zhuang", "zhui", "zhun", "zhuo", "zi",
   "zong", "zou", "zu", "zuan", "zui", "zun", "zuo" };

 private StringBuilder buffer;

 private String resource;

 private static ChineseSpelling chineseSpelling = new ChineseSpelling();

 public static ChineseSpelling getInstance() {
  return chineseSpelling;
 }

 public String getResource() {
  return resource;
 }

 public void setResource(String resource) {
  this.resource = resource;
 }

 private int getChsAscii(String chs) {
  int asc = 0;
  try {

   byte[] bytes = chs.getBytes("gb2312");

   if (bytes == null || bytes.length > 2 || bytes.length <= 0) { // 错误

    // log

    throw new RuntimeException("illegal resource string");
    // System.out.println("error");

   }
   if (bytes.length == 1) { // 英文字符

    asc = bytes[0];
   }
   if (bytes.length == 2) { // 中文字符

    int hightByte = 256 + bytes[0];
    int lowByte = 256 + bytes[1];
    asc = (256 * hightByte + lowByte) - 256 * 256;
   }
  } catch (Exception e) {
   System.out
     .println("ERROR:ChineseSpelling.class-getChsAscii(String chs)"
       + e);
   // e.printStackTrace();

  }
  return asc;
 }

 public String convert(String str) {
  String result = null;
  int ascii = getChsAscii(str);
  // System.out.println(ascii);

  if (ascii > 0 && ascii < 160) {
   result = String.valueOf((char) ascii);
  } else {
   for (int i = (pyvalue.length - 1); i >= 0; i--) {
    if (pyvalue[i] <= ascii) {
     result = pystr[i];
     break;
    }
   }
  }
  return result;
 }

 public String getSelling(String chs) {
  String key, value;
  buffer = new StringBuilder();
  for (int i = 0; i < chs.length(); i++) {
   key = chs.substring(i, i + 1);
   if (key.getBytes().length >= 2) {
    value = (String) convert(key);
    if (value == null) {
     value = "unknown";
    }
   } else {
    value = key;
   }

   buffer.append(value);
  }
  return buffer.toString();
 }

 public String getSpelling() {
  return this.getSelling(this.getResource());
 }


 public String getFirSpelling(String src) {
  String firSpelling = "";

  String[] splitedSrc = src.split("");
  for (int i = 0; i < splitedSrc.length; i++) {
   if (splitedSrc[i] != "") {
    setResource(splitedSrc[i]);
    String spelling = getSpelling();
    if (spelling.length() > 1)
     firSpelling += spelling.substring(0, 1);
    else
     firSpelling += spelling;
   }
  }

  return firSpelling;
 }

 public static void main(String[] args) {
  // ChineseSpelling finder = new ChineseSpelling();

  ChineseSpelling finder = ChineseSpelling.getInstance();
  finder.setResource("呼和浩特");
  System.out.println(finder.getSpelling());
  System.out.println(finder.getSelling("英文字符Eng"));
  System.out.println(finder.getFirSpelling("英文字符Eng"));
 }

}

